89012237 has 4 divisors (see below), whose sum is σ = 90471516. Its totient is φ = 87552960.

The previous prime is 89012201. The next prime is 89012239. The reversal of 89012237 is 73221098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 86471401 = 1594^2 + 9299^2 .

It is a cyclic number.

It is not a de Polignac number, because 89012237 - 2⁶ = 89012173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89012239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729548 + ... + 729669.

It is an arithmetic number, because the mean of its divisors is an integer number (22617879).

Almost surely, 2^89012237 is an apocalyptic number.

It is an amenable number.

89012237 is a deficient number, since it is larger than the sum of its proper divisors (1459279).

89012237 is a wasteful number, since it uses less digits than its factorization.

89012237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459278.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 89012237 is about 9434.6296694677. The cubic root of 89012237 is about 446.4949711996.

The spelling of 89012237 in words is "eighty-nine million, twelve thousand, two hundred thirty-seven".